All Questions
22
questions
1
vote
1
answer
2k
views
How can the same TCP port show in netstat as BOUND and ESTABLISHED in Windows?
I'm investigating an issue of port exhaustion in Windows, and the output of netstat shows many ports both as BOUND and ESTABLISHED
...
TCP 10.0.1.9:64318 10.0.1.9:8400 ESTABLISHED ...
0
votes
0
answers
783
views
After opening port 443 in windows firewall as inbound rule, I cannot see it when I run 'netstat -an'
As an inbound rule on Windows 10 firewall, I added port 443 as TCP connection allowing all types of connections. However, I cannot see it when I run 'netstat -an'. How can I get it so that I see my ...
0
votes
0
answers
998
views
java.exe opens up hundreds of ports on 127.0.0.1 on a windows 10 computer and listens to itself
After I ran netstat -ab with admin right on my win10 computer, which is not running anything "java" related on the desktop nor there is "java.exe" in taskmanager's "detailed ...
0
votes
0
answers
939
views
What TCP segment retransmission rate indicates something bad?
For a long time, I’ve suspected there’s a problem with my home network. (Basic AT&T gateway/router with residential fiber). I’m running Windows Performance Manager and monitoring the TCP segments ...
2
votes
1
answer
5k
views
How to see all the TCP connections opened by Google Chrome browser on Mac?
I am currently browsing using the Google Chrome browser. I know that for every tab I open and type a URL in, a TCP connection is opened. I also know that a maximum of 6 concurrent TCP connections are ...
1
vote
0
answers
3k
views
netstat Foreign Address shows my hostname, TCP sockets refuse connections
I am attempting to establish a TCP connection to a Windows machine running some third party software, unfortunately, I can not make the connection succeed.
Running:
netstat -an
Shows my service is ...
1
vote
1
answer
1k
views
sudo netstat -antp not showing PID
i am testing stuff with sockets and i encountered that strange case :
i coded i very simple tcp server in c, i made it block after accept(), just to see what happen when accepting multiple connection ...
1
vote
1
answer
824
views
windows netstat shows mysql server state time wait
What does it mean when windows netstat -ano shows this, and why there are four (more than 1).
0
votes
1
answer
4k
views
ubuntu 16.04 trying to open port 8443 not working
i need to open port 8443 in OS ubuntu 16.04 but nothing is working first i tried to do a scan port using Nmap:
RESULT :
Discovered open port 139/tcp on 127.0.0.1
Discovered open port 445/tcp on ...
2
votes
1
answer
1k
views
How to check which process is flooding TCP SYN connections on Linux?
My Server is running Fedora Core 13. One day I found there were a lot of abnormal traffic that tried to initiate TCP connections with outside hosts. I tried to remove the default route and the DNS ...
2
votes
3
answers
4k
views
Meaning of netstat output?
When I type "sudo netstat -an", this is part of the output I get:
Proto Recv-Q Send-Q Local Address Foreign Address State
tcp 0 0 192.99.202.17:39922 ...
0
votes
1
answer
1k
views
What is the timeframe used, for TCPBacklogDrop value calculation in netstat [closed]
I'm interested in the value TCPBacklogDrop of the command netstat -s on linux.
But I don't know which timeframe is considered, when calculating it.
6
votes
1
answer
7k
views
What's up with port 8080 on my OSX box?
I thought a web server process I brought up was listening on localhost:8080, and tried to connect to it, but kept getting connection reset errors. As it turns out, I was mistaken and my process was ...
2
votes
3
answers
7k
views
Is the same port acting as both client and server?
i find something strange in this netstat output. the output is taken using netstat -a -n -o -p TCP command on win 7.
Proto Local Address Foreign Address State PID
TCP ...
1
vote
2
answers
2k
views
What is "armtech daemon"?
I ran a netstap -p tcp on my machine (A macbook) and noticed a number of entries for something called localhost.armtechdaemo. Searching the web doesn't really give me anything useful.
Does anyone ...
5
votes
1
answer
4k
views
find the process which is listening on a specific port
I want to find some processes which are running on a specified port
for example 80
I ran
fuser 80/tcp
and got nothing
and then
netstat -tulpn|grep "80\|PID"
and got
Proto Recv-Q Send-Q Local ...
0
votes
1
answer
818
views
TCP number of connections differ from client to server
How can this be ? netstat shows x 'established' connections from the client to y 'established' connections on the server. Situation stays like this for 10 minutes, then x and y change, then another ...
11
votes
2
answers
10k
views
What is the difference between :::: and 0.0.0.0 from the netstat -an output?
I just want to understand the difference between :::: and 0.0.0.0. I believe both are same which let connection from outside if any processor is listening to that port.
udp 0 0 127.0.0.1:...
1
vote
2
answers
3k
views
Count exchanged bytes per TCP connection
I need to get a table updated with the exchanged bytes (Rx and/or Tx) for each ESTABLISHED TCP connection on a linux machine (well, at least, a list of connections (port ranges), thus not actually all)...
1
vote
1
answer
3k
views
What does netstat mean by "acknowledgments not containing data received"?
Netstat reports some TCP packets in the following category acknowledgments not containing data received.
However, I'm not clear what this phrase means. Goggling and the netstat documentation don't ...
55
votes
17
answers
136k
views
How do I kill a process that is dead but listening?
I'm developing an app that listens on port 3000. Apparently there's an instance of it still listening to the port because whenever I start it, it can't create a listener (C#, TcpListener, but that's ...
0
votes
1
answer
1k
views
How to analyse the results of a netstat command on Windows, as during the night my internet connection slows down?
My internet connection gets very slow at night and my ISP told me to use netstat to see how many tcp connetions there is there is usually about 30 or more with ether time wait established but I also ...